forked from hans/Nominatim
Adjusts levels for boundaries according to the list on https://wiki.openstreetmap.org/wiki/Tag:boundary%3Dadministrative * no admin_level 5, so drop that from addresses * admin_level 6 has the province * admin_level 7 has the county when it exists Also reranks place=province so that it matches up with admin_level 6 and introduces place=civil_parish which is used as a place node for some admin_level=9 boundaries in Galicia.